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cufp0001.pdf
cufp0001.dwg
cufp0002.pdf
cufp0002.dwg
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Karpen Steel manufactures custom hollow metal frames as specified.
Profiles to be power brake formed in accordance with details shown on plans. Jambs and head to be assembled with tongue and slot connection. Miters accurately fitted, continuously welded on face, and ground smooth. Some profiles will be required to be manufactured with square cut head and jambs. Spreaders shall be welded to the bottom of the jambs to ensure safe shipment and parallel alignment in field setting.
Materials
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Material Type |
Gauges |
Notes |
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Cold Rolled Steel (CRS) |
14, 16 |
16-ga CRS Standard |
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Hot Rolled Pickled & Oiled (HRPO) |
12 |
3/4" Backbends |
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A60 Galvannealed
(A60 GALV) |
12, 14, 16 |
3/4" Backbends
on 12-ga |
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G90 Galvanized
(G90 GALV) |
14, 16 |
Special Order:
Not prime painted |
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Stainless Steel (SS) |
16 |
Type 304, #3 finish.
Not prime painted. |
Recommended Usage
- Galvanized steel is recommended where atmospheric conditions require extra protection.
- Type 304 stainless steel is recommended for areas where corrosive materials are present in the atmosphere.
Reinforcements
- Hinge reinforcement 7-gauge, 12" long.
- Strike reinforcement 16-gauge with 11-gauge thread depth.
- Closer reinforcement 12-gauge, 18" long.
- Frames shall be suitably reinforced for closers, brackets and all other surface applied hardware.
- Drilling and tapping of surface hardware to be done in the field by the erector.
Finish
- Frames shall be thoroughly cleaned after assembly, filled when necessary to ensure a smooth finish, and given a prime coat of rust inhibiting primer paint. The primer shall be air dried. Stainless steel frames are not prime painted.
Hinge Backset
- 5/16" standard.
- Other backsets available.
Backbend:
- 1/2" standard.
- Other backbends available.
Double Rabbet
- Equal Rabbet is standard.
- Unequal is available.
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